[Physician shortage in the United States--formation of voluntary ambulance-corps].
D000552:Ambulances; D004632:Emergency Medical Services; D006268:Health Facilities; D006280:Health Workforce; D006801:Humans; D010820:Physicians / Q000600:supply & distribution*; D014481:United States
Arztemangel in den Vereinigten Staaten-Beildung eines Freoiwilligen Ambulanzkorps.